Show InChIInChI=1S/C27H28N2O4/c1-17-7-2-4-10-22(17)28-24(30)16-33-27(31)25-20-9-3-5-11-23(20)29-26-18(12-13-21(25)26)15-19-8-6-14-32-19/h3,5-6,8-9,11,14-15,17,22H,2,4,7,10,12-13,16H2,1H3,(H,28,30)/b18-15+

Show InChIInChI=1S/C27H28N2O4/c1-17-7-2-4-10-22(17)28-24(30)16-33-27(31)25-20-9-3-5-11-23(20)29-26-18(12-13-21(25)26)15-19-8-6-14-32-19/h3,5-6,8-9,11,14-15,17,22H,2,4,7,10,12-13,16H2,1H3,(H,28,30)/b18-15+